881978448

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1413427}}^1$

素因数の和:1413451

約数の個数: 40

約数和(自身を含む): 2453711008

約数和(自身を除く): 1571732560

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1413427, 2826854, 4240281, 5653708, 8480562, 11307416, 16961124, 18374551, 22614832, 33922248, 36749102, 55123653, 67844496, 73498204, 110247306, 146996408, 220494612, 293992816, 440989224, 881978448]

約数ペア:

[(1, 881978448), (2, 440989224), (3, 293992816), (4, 220494612), (6, 146996408), (8, 110247306), (12, 73498204), (13, 67844496), (16, 55123653), (24, 36749102), (26, 33922248), (39, 22614832), (48, 18374551), (52, 16961124), (78, 11307416), (104, 8480562), (156, 5653708), (208, 4240281), (312, 2826854), (624, 1413427)]